A new mathematical model of asymmetric hydraulic fracture growth
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F18%3A10369784" target="_blank" >RIV/00216208:11310/18:10369784 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1111/1365-2478.12590" target="_blank" >http://dx.doi.org/10.1111/1365-2478.12590</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1111/1365-2478.12590" target="_blank" >10.1111/1365-2478.12590</a>
Alternative languages
Result language
angličtina
Original language name
A new mathematical model of asymmetric hydraulic fracture growth
Original language description
Hydraulic fractures generated by fluid injection in rock formations are often mapped by seismic monitoring. In many cases, the microseismicity is asymmetric relative to the injection well, which has been interpreted by stress gradient along the direction of the hydraulic fracture. We present a mathematical model of asymmetric hydrofracture growth based on relations between the solid-phase stress and the fracture hydraulics. For single fracture and single injection point, the model has three parameters, hydraulic conductivities of the fracture wings, and normalised stress gradient and predicts the positions of the fracture tips as functions of time. The model is applied to a set of microseismic event locations that occurred during and after an injection process. Two different methods are suggested that make it possible to delineate the fracture tips from the set of microseismic events. This makes it possible to determine the model parameters and to check the agreement between the model prediction and the measured data. The comparison of the measured and modelled growth of fracture wings supports both the assumption of the non-zero stress gradient and the existence of the post-injection unilateral growth.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10505 - Geology
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Geophysical Prospecting
ISSN
0016-8025
e-ISSN
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Volume of the periodical
66
Issue of the periodical within the volume
3
Country of publishing house
NL - THE KINGDOM OF THE NETHERLANDS
Number of pages
12
Pages from-to
549-560
UT code for WoS article
000425181700006
EID of the result in the Scopus database
2-s2.0-85034232880